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Slav-nsk [51]
3 years ago
5

A house is generally warmer upstair that it is downstairs due to

Physics
2 answers:
Helga [31]3 years ago
5 0
The thermal energy given by the sun, to the roof, transmitted into the upstairs room
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mote1985 [20]3 years ago
4 0
I think that upstairs has the heat on and downstairs has the cold on to make upstairs hotter than downstairs

Hope this helps!!
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If the Coast Guard warns of a giant wave of water approaching the shore as a result of a major earthquake, they are warning of
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A force of 100 newtons is used to move an object a distance of 15 meters with a power of 25 watts. Find the
valentina_108 [34]


work is distance * force so 15*100=1500

and to find time you know power = diastance * force / time

so 25=15*100/t

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3 years ago
A ball is thrown vertically upward. What is its acceleration right before it hits the earth?
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Crushing, stirring, heating are all methods to increase the rate of ______________ a solute in a solvent.
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4 0
3 years ago
A 1.2 g pebble is stuck in a tread of a 0.76 m diameter automobile tire, held in place by static friction that can be at most 3.
Maksim231197 [3]

Answer:

v=33.764m/s

Explanation:

Given data

Mass m=1.2 g=0.0012 kg

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Solution

From the Centripetal force we know that

F_{c}=\frac{mv^{2} }{r}

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v is velocity

r is radius

Substitute the given values to find velocity v

So

F_{c}=\frac{mv^{2} }{r}\\v^{2}=\frac{F_{c}(r)}{m}\\ v=\sqrt{\frac{F_{c}(r)}{m}}\\ v=\sqrt{\frac{F_{c}(diameter/2)}{m}}\\v=\sqrt{\frac{(3.6N)(0.76/2)m}{(0.0012kg)}}\\v=33.764m/s

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3 years ago
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